#256C9E#256C9E

#256C9E is a mid, moderate cyan. Relative luminance 0.136; OKLCH L 51.2% C 0.105 H 243.6°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#256C9E
RGB	rgb(37, 108, 158)
HSL	hsl(205, 62%, 38%)
HSV	hsv(205, 77%, 62%)
CMYK	cmyk(76.6%, 31.6%, 0%, 38%)
CIE-LAB	lab(43.63, -4.17, -33.29)
CIE-LCH	lch(43.63, 33.55, 262.86°)
OKLab	oklab(51.16% -0.0468 -0.0943)
OKLCH	oklch(51.16% 0.105 243.6)
XYZ	xyz(12.2947, 13.5856, 34.3154)
Luminance	0.1359 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256C9E #9E5725

analogous

#259E93 #256C9E #25309E

triadic

#256C9E #9E256C #6C9E25

tetradic

#256C9E #93259E #9E5725 #309E25

square

#256C9E #93259E #9E5725 #309E25

split-complementary

#256C9E #9E2530 #9E9325

monochromatic

#0E283B #194A6C #256C9E #318ECF #63A9DA

Accessibility & contrast

On white

5.65

#256C9E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#256C9E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256C9E

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256C9E	#FFFFFF	#000000	##FFFFFF
##256C9E	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#556DA0

Deuteranopia (green-blind)

#44629D

Tritanopia (blue-blind)

#00787E

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #256c9e;
/* rgb */ color: rgb(37, 108, 158);
/* oklch */ color: oklch(51.2% 0.105 243.6);

Tailwind

colors: {
  custom: {
    50: '#7195bb',
    500: '#256c9e',
    950: '#000000',
  },
}

SCSS

$custom: #256c9e;
$custom-light: #7195bb;
$custom-dark: #000000;

JSON

{
  "hex": "#256c9e",
  "rgb": {
    "r": 37,
    "g": 108,
    "b": 158
  },
  "hsl": {
    "h": 204.793,
    "s": 62.051,
    "l": 38.235
  },
  "oklch": {
    "l": 0.51163,
    "c": 0.1053,
    "h": 243.6
  },
  "luminance": 0.13587
}

Semantic roles & 50–950 ramp

primary

#256C9E

secondary

#C0875F

accent

#8643E5

background

#F7F9FB

surface

#EDF1F6

border

#C8CBD0

text

#090D12

muted

#7B7E81

Preview Lab

Preview with #256C9E

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →